Muzzle device



FIG. 1 is a side perspective view of a muzzle device showing the new design;

FIG. 2 is a side view thereof;

FIG. 3 is a top view thereof; and,

FIG. 4 is a front view thereof.

The new design appears the same as in FIG. 2 on the other side view.

The new design appears the same as in FIG. 3 on the bottom view.

The broken lines in the Figures show portions of the new design that form no part of the claimed design. 

CLAIM The ornamental design for a muzzle device, as shown and described. 